Sylvain : You should be able to do so. Build petsc and mumps with single precision '--with-precision=single --download-mumps --download-scalapack ...'
Hong > Hi everyone, > > I'm using PETSc to solve saddle point systems. I have found a block > preconditionner which requires to solve a smaller symmetric positive > definite system. I do it with MUMPS which is fast an robust. > However, I would like to use this solver in single precision in order to > compare the performances. > > So is it possible to use MUMPS in single precision inside a double precision > solving with PETSc? > > Thanks, > Sylvain
